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The wireless spectrum consists of electromagnetic radiation and frequency bands. Respective countries have their own wireless spectra with ranges up to 300 GHz. The wireless spectrum frequencies used in communication are regulated by national organizations, which specify which frequency ranges can be used by whom and for which purpose.
Radio-channel and channel-frequency variation is quite complex because radio propagation characteristics are a result of both man-made and natural factors. Government entities own frequency channels, which are divided according to common frequency band characteristics and cause performance breaks at different frequency levels, where only windows of continuity are available.
Techopedia Explains Wireless Spectrum
The wireless technology boom has created divisions in spectrum allocation. The International Telecommunications Union (ITU) divides the world into three different regions that influence wireless signal propagation:
- Region 1 : Europe, Africa, parts of the Middle East and Northern Asia
- Region 2 : The Americas, Caribbean and Hawaii
- Region 3 : Asia, Southeast Asia, the Pacific Islands, Australia and New Zealand
